Home / 378,623.58-567,722.34-125,768.76

Finding the Fourth Proportional to 378,623.58, 567,722.34 and 125,768.76

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Solution

The fourth proportional to 378,623.58, 567,722.34 and 125,768.76 is: 188,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,623.58 : 567,722.34 = 125,768.76 : x
  2. Step 2: Convert to fraction form
    378,623.58/567,722.34 = 125,768.76/x
  3. Step 3: Cross multiply
    378,623.58x = 567,722.34 × 125,768.76
  4. Step 4: Simplify right side
    378,623.58x = 71,401,734,726.10
  5. Step 5: Solve for x
    x = 71,401,734,726.10/378,623.58
  6. Step 6: Final answer
    x = 188,582.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.